enable conservative clips for gpudevice

samplecode/SampleApp.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleApp.h"
 
 #include "OverView.h"
@@ skipping 1389 matching lines @@
         static const SkScalar gAnimPeriod = 10 * SK_Scalar1;
         static const SkScalar gAnimMag = SK_Scalar1 / 1000;
         SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod);
         if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) {
             t = gAnimPeriod - t;
         }
         t = 2 * t - gAnimPeriod;
         t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag);
         SkMatrix m;
         m.reset();
+#if 1
         m.setPerspY(t);
+#else
+        m.setPerspY(SK_Scalar1 / 1000);
+        m.setSkewX(SkScalarDiv(8, 25));
+        m.dump();
+#endif
         canvas->concat(m);
     }
 
     this->installDrawFilter(canvas);
 
     if (fMeasureFPS) {
         if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) {
             fMeasureFPS_StartTime = SkTime::GetMSecs();
         }
     } else {
@@ skipping 972 matching lines @@
     setenv("ANDROID_ROOT", "/android/device/data", 0);
 #endif
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }